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biology > Misc. > Flashcards

Misc. Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What are the purines?

A

A, G

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2
Q

What are the pyridmidines?

A

U,T,C

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3
Q

What do the microtubules form?

A

Cilia
flagella
centrioles
Mitotic spindle

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4
Q

What is the purpose of microfilaments?

A

Also called actin filaments, they use actin and myosin for movement

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5
Q

What is the purpose of the intermediate filaments?

A

to give the cell mechanical strength, and serve for transport of organelles

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6
Q

Purpose of rough ER?

A

to synthesize protein

abundant is found in cells along with golgi where protein is needed

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7
Q

what is the purpose of the smooth ER?

A

Fatty acid synthesis
phospholipid synthesis
metabolism
helps liver to detoxify

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8
Q

What is the purpose of the golgi?

A

protein modification

packaging and excretory center

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9
Q

In what cells can an abundant of golgi and rough ER be found?

A

n cells that produce and secrete proteins
immune
pancreas intestine

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10
Q

What is the formula for the number of bacteria after generations?

A 
b = B*2^n
b= bacteria after 
B = original bacteria 
n = generations
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11
Q

What is a nonsense mutation?

A

a mutation that results in a premature stop codon (caused by a point mutation)

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12
Q

what is a missense mutation?

A

a point mutation that results in a substitution of a different amino acid

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13
Q

What is the function of the thalmus?

A

relay center for sensory input

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14
Q

what is the function of the cerebellum?

A

coordination and control of muscle tone

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15
Q

What is the function of the medulla?

A

Vital center for breathing heart rate and ateriole blood pressure

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16
Q

What is the vagus nerve?

A

it is a cranial nerve that control:
speech
swallowing slowing the heart
sensory and motor innervations to smooth muscles of the thorax and abdomen

17
Q

What is the brain divided into?

A

forebrain
midbrain
hind brain

18
Q

what is the hind brain divide into?

A

cerebellum
pons
medulla
(medulla and pons makeup brainstem)

19
Q

What is the telencephlon?

A

The cerebral hemispheres (cerebrum)

20
Q

What is the main function of each hemisphere?

A

left hemisphere- language

right hemisphere- pattens and spatial relationships

21
Q

What are the divisions of the hemisphere?

A

Occipital
temporal
parietal
frontal

22
Q

What is the function of the occipital lobe?

A

receives input from the optic nerve

23
Q

What is the function of the temporal lobe?

A

receives auditory signals for hearing

24
Q

What is the function of the parietal lobe?

A

receives somatosensory for the other side of the body

heat, pain cold, touch, sense of body movement

25
Q

What is the function of the frontal lobe?

A

Voluntary movements and problem solving for the other side of the body

biology (20 decks)

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